@charset "utf-8";

.btn_wrap { float: right; }
.loading { position: absolute; left: 50%; top: 50%;}

.off-screen { display: none; }
#nav { width: 100%; text-align: center; height: 30px; padding: 10; }
#nav a { display: inline-block; margin-right: 10px; background: #ccc;  color: #000; text-decoration: none; font-size: 20px; padding: 10px; width: 30px; height: 30px; line-height: 10px; }
#nav a.active { background: #333; color: #fff; }